The Messenger of Allah (ﷺ) used to observe prayers like your prayers, but he would delay the prayer after nightfall to a little after the time you observed it, and he would shorten the prayer.
Sahih Muslim Book 5, Hadith 287
← Previous Hadith Jabir b. Samura reported that the Messenger of Allah (ﷺ) postponed the last 'Isha' prayer.

Sahih Muslim Book 5, Hadith 286 Next Hadith → I heard the Messenger of Allah (ﷺ) as saying: Let the bedouin not gain upper hand over you in regard to the name of your prayer. See I (The night prayer should be called) 'Isya' (and the bedouins call it Atama (because) they milk their camels late.

Sahih Muslim Book 5, Hadith 288